body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1, h2 {
    color: #333;
}

.control-panel {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}
form {
        margin-bottom: 20px;
    }

.form-group {
    margin-bottom: 15px;
}

label {
    display: inline-block;
    width: 380px;
    text-align: left;
    margin-right: 10px;
    font-weight: bold;
}

select {
    padding: 5px;
    width: 100%;
    max-width: 300px;
    height: 30px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.input-group {
    margin-bottom: 15px;
}

label {
    display: inline-block;
    width: 200px;
    font-weight: bold;
}

input {
    padding: 8px;
    width: 200px;
    border: 1px solid #ddd;
    border-radius: 4px;
}


button {
    background: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background: #45a049;
}

.chart-section {
    margin-bottom: 40px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.chart-section h3 {
    color: #333;
    margin-top: 0;
    margin-bottom: 15px;
}

.chart-container {
    height: 300px;
    width: 100%;
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #333;
    padding: 10px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.navbar-brand {
    color: white;
    font-size: 20px;
    font-weight: bold;
}

.navbar-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.navbar-menu li {
    margin-left: 20px;
    position: relative;
}

.navbar-menu a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    display: block;
    border-radius: 4px;
}

.navbar-menu a:hover {
    background-color: #555;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 150px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    color: #333;
    padding: 10px 15px;
}

.dropdown-menu a:hover {
    background-color: #f0f0f0;
    color: #333;
}
.inputfile-group {
    margin-bottom: 15px;
}

label {
    display: inline-block;
    width: 400px;
    font-weight: bold;
}

input {
    padding: 8px;
    width: 400px;
    border: 1px solid #ddd;
    border-radius: 4px;
}